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Brute Force 2D Shadows…well sort of…

http://www.youtube.com/v/VGeC5HYN0k0 http://www.youtube.com/v/VGeC5HYN0k0 A friend of mine was asking how to do some sort of 2D shadows for a game he is working on. We took a look at some images Catalin Zima put up on an implementation he is working on...

Published Tue, Jun 29 2010 4:08 PM by Nemo Krad

Filed under: Generic XNA, Source, 2D Pixel Shaders, HLSL, Lighting, 2D

XBLIG-UK December 2009

Well what a great day that was! I gave my first public talk on XNA at the XBLIG-UK event, not sure if I put too much in, left too much out, but I enjoyed it none the less. It was organized by Edward Powel (our VeraShackle ) over at the NxtGen UK UG We...

Published Tue, Dec 8 2009 1:44 PM by Nemo Krad

Filed under: Generic XNA, A.I, HLSL, Physics, Dark Omen Games, Talk, Event, XBLIG-UK

XBlig-UK - XNA Games Development Conference, Birmingham - Saturday 5 December, 2009

The NxtGenUG are setting up an XNA event in Birmingham (England for those of you who may think in Alabama) on the 5th of December. This has been organized by our very own VeraShackle , who has also posted this in the Events section here . I am going to...

Published Wed, Sep 30 2009 10:33 AM by Nemo Krad

Filed under: Generic XNA, HLSL, Events

More 2D Stuff

http://www.youtube.com/v/GaSr9315U80 http://www.youtube.com/v/GaSr9315U80 As you can see from the clip, I have done a bit more and I think this may well turn into a game. Currently thinking of it as a 4 local player game death match type thing. Don't...

Published Sun, Jun 28 2009 8:33 AM by Nemo Krad

Filed under: Generic XNA, Animation, Particle System, Collision Detection, 2D Pixel Shaders, Games, HLSL, Physics, XNA 3.1, Pixel Perfect Collision

Eye See You....

http://www.youtube.com/v/iH-DobURJ1I http://www.youtube.com/v/iH-DobURJ1I Was doing some Blender3D modeling for Killer Core and spotted in the Noob to Pro Wiki a "Pixar" Eye example. So I had a go and not being the greatest at blender found...

Published Sat, Jun 6 2009 1:00 AM by Nemo Krad

Filed under: Generic XNA, HLSL, XNA 3.0, Lighting

Basic HLSL Lighting Techniques Episode 8: Planet Shader…

http://www.youtube.com/v/WdwJ2WvjY_A http://www.youtube.com/v/WdwJ2WvjY_A In this post I am going to show you how to do multiple passes, how to make your handy HLSL function calls available to more than one shader at a time, how to pass variables to pixel...

Published Wed, Apr 22 2009 8:28 PM by Nemo Krad

Filed under: Generic XNA, Source, Tutorial, HLSL, XNA 3.0, Lighting

Basic HLSL Lighting Techniques - Episode 7: Simple Animation

http://www.youtube.com/v/Igt5R9Eigvw http://www.youtube.com/v/Igt5R9Eigvw Now this is very simple animation, no bones are used at all here. The point of this post is to show you how you can manipulate vertices in the shader. What I intend to do with this...

Published Wed, Jan 21 2009 8:00 PM by Nemo Krad

Filed under: Generic XNA, Source, Animation, Tutorial, HLSL, XNA 3.0, Lighting

Basic HLSL Lighting Techniques - Episode 6: Environment Maps - Reflection & Refraction

http://www.youtube.com/v/_gSZ8CA2t70 http://www.youtube.com/v/_gSZ8CA2t70 Having played about with the NVIDIA Glass shader and my own (old) attempts at glass I have come up with this post Refraction Refraction is the light passing through an object but...

Published Tue, Jan 6 2009 9:43 PM by Nemo Krad

Filed under: Generic XNA, SkySphere, HLSL, XNA 3.0, Lighting, Glass

Basic HLSL Lighting Techniques - Episode 4: How to apply Episode 3 shader to another model

In this post I am going to show how you can apply the effects from Episode 3 to another model. In this case the LandShark model that also ships with the DirectX SDX. It's not really a HLSL post, but related. The model comes with a diffuse texture...

Published Wed, Dec 3 2008 3:47 PM by Nemo Krad

Filed under: Bump/Normal Mapping, Generic XNA, Source, XBox 360, HLSL, XNA 3.0

Basic HLSL Lighting Techniques - Episode 3: Colour, Glow, Bump and Reflective Texture Maps

http://www.youtube.com/v/XOujFp7ZccA http://www.youtube.com/v/XOujFp7ZccA I guess the next natural step is texturing a model. In this episode I am going to cover basic texturing, then go onto what I call glow maps, then bump mapping and then reflective...

Published Mon, Nov 24 2008 1:49 PM by Nemo Krad

Filed under: Bump/Normal Mapping, Generic XNA, Source, Tutorial, HLSL, XNA 3.0, Lighting

Basic HLSL Lighting Techniques - Episode 2: Coloured, Specular & Multiple Lights

http://www.youtube.com/v/Dj6V7hwVcPg http://www.youtube.com/v/Dj6V7hwVcPg Coloured Light So the last shader we did had both ambient and diffuse lighting in it. But what if your light is coloured and has a varying brightness? All we have to do is add two...

Published Wed, Nov 12 2008 10:34 PM by Nemo Krad

Filed under: Generic XNA, XBox 360, HLSL, XNA 3.0, Lighting

Basic HLSL Lighting Techniques - Episode 1: Ambient and Diffuse

http://www.youtube.com/v/2n7_hXgoQdE http://www.youtube.com/v/2n7_hXgoQdE All my HLSL and lighting knowledge has come pretty much from one book Programming Vertex and Pixel Shaders by Wolfgang Engel , which I insist you should buy if you are getting into...

Published Tue, Nov 11 2008 11:09 AM by Nemo Krad

Filed under: Generic XNA, HLSL, XNA 3.0, Lighting

Volumetric Clouds - Source

Now, I said I wanted to get the editor written up before I posted the basic system, but I have had so many requests for it I thought I may as well get the base up and I can build on it as the system evolves. Before I get into the code, I'll explain...

Published Thu, Oct 2 2008 11:58 AM by Nemo Krad

Filed under: Generic XNA, Source, Particle System, Clouds, XBox 360, XNA 2.0, HLSL

ReMix 08 - Demo Source Code

Some of you that have come to this blog after going to the ReMix 08 conference are probably wondering, "Where is that source code Paul said would be here!?" Well, most of it is here, it's just smashed across a lot of posts. But, it's...

Published Mon, Sep 29 2008 4:19 PM by Nemo Krad

Filed under: Terrain, Generic XNA, Source, Particle System, Post Processing, Bounds, Collision Detection, SkySphere, Clouds, XBox 360, XNA 2.0, Game State Manager, Games, HLSL, Physics, Threading, Conferences

Generic XNA - 3D Fire Sample

Hope the music is acceptable this time... http://www.youtube.com/v/y-txtVQ7rUU http://www.youtube.com/v/y-txtVQ7rUU Sorry about the quality of the clip, it was a 20MB clip, but I think youtube has crunched it up adn so it has lost some quality.... OK...

Published Fri, May 9 2008 8:42 PM by Nemo Krad

Filed under: Generic XNA, Fire, Source, XNA 2.0, HLSL

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